Find the value of following determinant.
3 3
4 –4
(Question 2)
Decide the following equation is quadratic or not.
(x + 1)2square
= 2x – 3
(Question 3)
For an given A.P. t
5
= 10, d = –2 then find a.
(Question 4)
Find the value of the discriminant of the equation x
2
+ 2x – 9 = 0
Sol. : Compare x
2
+ 2x – 9 = 0 with
ax2
+ bx + c = 0.
a = , b = 2 , c =
b
2
– 4ac = 22
– 4 × ×
b
2
– 4ac = 4 –
b
2
– 4ac = 40
The value of discriminant is 40.
Answers
Answered by
0
Answer:
this sensor is so by 8.18 18.18 this
Answered by
0
Answer:
1→ determinant
-12-12= -24
2→(x+1)²=2x-3
x²+4=0
yes it is quadratic equation
Similar questions